When did the weather recordkeeping begin

A．act with exaggeration.
B．perform regularly.
C．perform alone.
D．overwhelmed.

A．In the United States, rates of autism continue to skyrocket.
B．As many as 1 in 166 children born today is diagnosed with an autistic disorder.
C．Autism is the third most commonly diagnosed developmental disability in children.
D．The early diagnosis of autism is very important.